CN108917798B - 光电传感器 - Google Patents

光电传感器 Download PDF

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Publication number
CN108917798B
CN108917798B CN201810263081.2A CN201810263081A CN108917798B CN 108917798 B CN108917798 B CN 108917798B CN 201810263081 A CN201810263081 A CN 201810263081A CN 108917798 B CN108917798 B CN 108917798B
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CN
China
Prior art keywords
light
emitting element
light receiving
indicating
receiving
Prior art date
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Active
Application number
CN201810263081.2A
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English (en)
Chinese (zh)
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CN108917798A (zh
Inventor
大津信一郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keyence Corp
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Keyence Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of CN108917798A publication Critical patent/CN108917798A/zh
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Publication of CN108917798B publication Critical patent/CN108917798B/zh
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
    • G01D5/35341—Sensor working in transmission
    • G01D5/35345—Sensor working in transmission using Amplitude variations to detect the measured quantity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CN201810263081.2A 2017-03-29 2018-03-28 光电传感器 Active CN108917798B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-066457 2017-03-29
JP2017066457A JP6996860B2 (ja) 2017-03-29 2017-03-29 光電センサ

Publications (2)

Publication Number Publication Date
CN108917798A CN108917798A (zh) 2018-11-30
CN108917798B true CN108917798B (zh) 2021-11-02

Family

ID=64014850

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810263081.2A Active CN108917798B (zh) 2017-03-29 2018-03-28 光电传感器

Country Status (3)

Country Link
US (1) US10438459B2 (de)
JP (1) JP6996860B2 (de)
CN (1) CN108917798B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7340145B2 (ja) * 2019-03-29 2023-09-07 Toto株式会社 吐水装置
HRP20221362T1 (hr) * 2019-12-12 2023-01-06 Thales Management & Services Deutschland Gmbh Kontaktni element tračnice i jedinica za detekciju ispadanja

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279465A (en) * 1979-11-30 1981-07-21 The Singer Company Device for transmitting and receiving optical data on the same optical transmission line
JPS57135313A (en) * 1981-02-16 1982-08-20 Fanuc Ltd Pulse encoder
JPS63106522A (ja) * 1986-10-24 1988-05-11 Toshiba Corp 光電式パルス発信器
JPS6477234A (en) 1987-09-18 1989-03-23 Nec Corp Privacy system for radio communication
JPH0177234U (de) * 1987-11-13 1989-05-24
EP0472963A3 (en) * 1990-08-27 1992-07-08 Sumitomo Electric Industries, Limited Light emitting diode for photosensor and photosensor using such light emitting diode
JPH0523178A (ja) 1991-07-24 1993-02-02 Mitsubishi Agricult Mach Co Ltd ボタンの組織培養法
JPH0685644A (ja) * 1992-08-31 1994-03-25 Jitsuku Opt Kk 光電スイッチ
JPH06251669A (ja) * 1993-02-25 1994-09-09 Fuji Electric Co Ltd 反射形光電スイッチ
JP4420543B2 (ja) 2000-08-28 2010-02-24 サンクス株式会社 光ファイバセンサ
JP2003282937A (ja) * 2002-01-15 2003-10-03 Keyence Corp 光電センサ装置
JP4679976B2 (ja) 2005-06-16 2011-05-11 株式会社キーエンス 光電スイッチ及びその設定及び表示方法
JP2008091173A (ja) * 2006-09-29 2008-04-17 Sunx Ltd 光電センサ
US7465916B2 (en) * 2006-10-19 2008-12-16 Fujikura Ltd. Optical detection sensor
JP4853301B2 (ja) 2007-01-19 2012-01-11 オムロン株式会社 光ファイバ型光電センサ
CN201273820Y (zh) * 2008-09-11 2009-07-15 韩力 一种光电式微压传感器
JP2012112684A (ja) 2010-11-19 2012-06-14 Keyence Corp 光電スイッチ
JP6298270B2 (ja) 2013-10-23 2018-03-20 株式会社キーエンス 光電センサ
JP6440848B2 (ja) * 2015-08-25 2018-12-19 日本フェンオール株式会社 光電式煙感知器

Also Published As

Publication number Publication date
US20180322744A1 (en) 2018-11-08
CN108917798A (zh) 2018-11-30
US10438459B2 (en) 2019-10-08
JP2018170394A (ja) 2018-11-01
JP6996860B2 (ja) 2022-01-17

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